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Denham Diesel Backup

Oil power plant in Western Australia, Australia. Approximate location -25.9167, 113.534.

OilWestern AustraliaAustralia

Denham Diesel Backup is a 2 MW oil power plant in Western Australia, Australia. It is operated by Verve Energy. Based on its capacity (estimated), it can supply roughly 1.2k homes (estimated). It ranks #497 of 536 Australia power plants by installed capacity. In context, oil supplies about 2.2% of Australia's electricity; the national grid averages 525 gCO₂/kWh (38.6% low-carbon) (2025).

2Legacy source-record capacity
1,201homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id AUS0000353.

Data status

Known data

FacilityDenham Diesel Backup WRI
CountryAustralia · Western Australia WRI
Coordinates-25.9167, 113.534 WRI
FuelOil WRI
MW installed capacity2 MW WRI source record; scope not independently normalised
OwnerVerve Energy WRI

Calculated from dataset

CO₂ emissions3,154 t CO₂/yr calculated
Capacity rank in country#497 of 536 calculated
Fuel-specific rank in country#32 of 46 calculated
Capacity vs country/fuel peers0.19× · 9 MW median · 46 peers calculated
Homes-powered equivalent1,201 calculated
Climate22.2°C · HDD 102 derived from coordinates
Environmental severityC5 · 58/100 derived from coordinates

Not available

CommissionedNot available not in dataset
TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.

capacity: WRI Global Power Plant Database source-record (legacy); fuel: WRI source-record fuel

In context: how this plant compares

At 2 MW, Denham Diesel Backup is below the median oil plant in Australia (9 MW). Oil-fired plants burn heavy fuel oil or diesel, usually as peaking or backup capacity on islands and grids without gas pipelines; high fuel cost keeps their utilisation low.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest oil plants in Australia

Mount Stuart: 423 MW423Mount Stua…Solomon Hub mine power station: 136 MW136Solomon Hu…GOVE PENINSULA: 120 MW120GOVE PENIN…HEZ Energy Peaking Power Plant: 120 MW120HEZ Energy…SA GAS TURBINES: 120 MW120SA GAS TUR…Port Lincoln: 74 MW74Port Linco…Port Stanvac: 65 MW65Port Stanv…West Kalgoorlie: 60 MW60West Kalgo…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Verve Energy. All plants by this company →

Local climate & thermal context

This oil plant burns oil or diesel to drive turbines or reciprocating engines. It sits in a hot desert climate (Köppen BWh) — Southern Hemisphere, latitude 25.9°S — which shapes how much energy it can produce and how its output varies through the year.

22.2°Cannual mean temp
102heating degree-days (base 18°C)
1,632cooling degree-days (base 18°C)
26 melevation

Monthly mean temperature

J: 27 °CJF: 28 °CFM: 27 °CMA: 24 °CAM: 20 °CMJ: 17 °CJJ: 16 °CJA: 17 °CAS: 19 °CSO: 21 °CON: 23 °CND: 26 °CD28 °C

Heating degree-days here run 96% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 15/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion the leading environmental stress.

C5ISO 9223 corrosivity (indicative)
58/100environmental-severity index
12.1°Cseasonal temperature swing
46 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #32 largest oil power plant of 46 in Australia by capacity.

Australia has 46 oil power plants in this dataset, together about 1,605 MW of capacity.

Nearby power plants

Location

Coordinates -25.9167, 113.534 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Denham Diesel Backup?

Denham Diesel Backup is a 2 MW source-record oil power plant in Western Australia, Australia.

How many homes can Denham Diesel Backup power?

Its output is enough to supply roughly 1,201 homes (estimated).

Who operates Denham Diesel Backup?

Denham Diesel Backup is operated by Verve Energy.

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